Transparent Parrot Clipart Picture Gallery High. Albatrosses have locking mechanisms in the wing joints that reduce the strain on the muscles during soaring flight Female birds exposed to predators during ovulation produce chicks that grow their wings faster than chicks produced by predator free females Their wings are also longer Both adaptations may make them better at avoiding avian predators.

Some recent research undermines the trees down hypothesis by suggesting that the earliest birds and their immediate ancestors did not climb trees Modern birds that forage in trees have much more curved toe claws than those that forage on the ground The toe claws of Mesozoic birds and of closely related non avian theropod dinosaurs are like those of modern ground foraging birds